@charset "UTF-8";

#colmn_detail .world-jewelry-article {
    color: #292929;
    line-height: 1.95;
}

#colmn_detail .world-title {
    margin: 0 0 18px;
    color: #172f61;
    font-size: 30px;
    line-height: 1.45;
}

#colmn_detail .world-lead {
    margin: 0 0 28px;
    padding: 22px;
    border-left: 4px solid #b58a35;
    background: linear-gradient(135deg, #faf7f0, #fff);
    font-size: 16px;
}

#colmn_detail .world-visual {
    margin: 28px 0 38px;
}

#colmn_detail .world-visual img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
}

#colmn_detail .world-visual figcaption {
    margin-top: 8px;
    color: #666;
    font-size: 13px;
}

#colmn_detail .world-summary {
    margin: 30px 0 42px;
    padding: 24px;
    border: 1px solid #ded5c5;
    border-radius: 8px;
    background: #fffdf8;
}

#colmn_detail .world-summary h2 {
    margin: 0 0 14px;
    color: #172f61;
    font-size: 21px;
}

#colmn_detail .world-summary ul {
    margin: 0;
    padding-left: 1.4em;
}

#colmn_detail .world-summary li {
    margin: 7px 0;
    list-style: disc;
}

#colmn_detail .world-section {
    margin: 0 0 46px;
}

#colmn_detail .world-section h2 {
    margin: 0 0 20px;
    padding: 0 0 12px 14px;
    border-bottom: 2px solid #172f61;
    border-left: 5px solid #b58a35;
    color: #172f61;
    font-size: 24px;
    line-height: 1.55;
}

#colmn_detail .world-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin: 26px 0;
}

#colmn_detail .world-card {
    overflow: hidden;
    height: 100%;
    border: 1px solid #ddd7cb;
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 9px 24px rgba(25, 42, 74, 0.07);
}

#colmn_detail .world-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #f3efe8;
}

#colmn_detail .world-card__body {
    position: relative;
    padding: 20px;
}

#colmn_detail .world-card__number {
    position: absolute;
    top: -22px;
    left: 16px;
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 3px solid #fff;
    border-radius: 50%;
    background: #172f61;
    color: #fff;
    font-family: Georgia, serif;
    font-weight: bold;
}

#colmn_detail .world-card h3 {
    margin: 7px 0 9px;
    padding-left: 48px;
    color: #172f61;
    font-size: 18px;
    line-height: 1.5;
}

#colmn_detail .world-card p:last-child {
    margin: 0;
    font-size: 14px;
    line-height: 1.85;
}

#colmn_detail .world-note {
    margin: 24px 0;
    padding: 19px 21px;
    border-radius: 7px;
    background: #edf3f9;
}

#colmn_detail .respect-box {
    margin: 28px 0;
    padding: 22px;
    border: 1px solid #d2c29d;
    border-radius: 8px;
    background: #fffaf0;
}

#colmn_detail .respect-box h3 {
    margin: 0 0 10px;
    color: #715317;
}

#colmn_detail .learning-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 24px 0;
}

#colmn_detail .learning-step {
    padding: 20px;
    border-top: 4px solid #b58a35;
    border-radius: 7px;
    background: #f8f8f8;
}

#colmn_detail .learning-step strong {
    display: block;
    margin-bottom: 7px;
    color: #172f61;
    font-size: 17px;
}

#colmn_detail .course-guide {
    margin-top: 50px;
    padding: 34px;
    border: 1px solid #d8cfbf;
    border-radius: 12px;
    background: linear-gradient(135deg, #fff, #f7f2e8);
    box-shadow: 0 14px 34px rgba(36, 30, 20, 0.10);
}

#colmn_detail .course-guide h2 {
    margin: 0 0 14px;
    color: #172f61;
    font-size: 24px;
}

#colmn_detail .course-guide__visual {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 22px;
    align-items: center;
}

#colmn_detail .course-guide__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
}

#colmn_detail .course-guide__cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
}

#colmn_detail .course-card {
    padding: 20px;
    border-radius: 8px;
    background: #fff;
}

#colmn_detail .course-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
}

#colmn_detail .course-card p {
    margin: 0 0 16px;
    font-size: 14px;
}

#colmn_detail .course-card a {
    display: block;
    padding: 11px 12px;
    border-radius: 5px;
    background: #172f61;
    color: #fff;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
}

#colmn_detail .course-card--trial {
    border-top: 4px solid #c4a145;
}

#colmn_detail .course-card--hobby {
    border-top: 4px solid #4f835b;
}

#colmn_detail .course-card--pro {
    border-top: 4px solid #7d293a;
}

#colmn_detail .faq-list dt {
    margin-top: 18px;
    padding: 15px 18px;
    background: #172f61;
    color: #fff;
    font-weight: bold;
}

#colmn_detail .faq-list dd {
    margin: 0;
    padding: 17px 18px;
    border: 1px solid #d8dce4;
    border-top: 0;
    background: #fff;
}

#colmn_detail .source-note {
    font-size: 12px;
    color: #666;
}

@media (max-width: 767px) {

    #colmn_detail .world-title {
        font-size: 24px;
    }

    #colmn_detail .world-lead {
        padding: 17px;
        font-size: 15px;
    }

    #colmn_detail .world-section h2 {
        font-size: 21px;
    }

    #colmn_detail .world-grid,
    #colmn_detail .learning-steps,
    #colmn_detail .course-guide__cards,
    #colmn_detail .course-guide__visual {
        grid-template-columns: 1fr;
    }

    #colmn_detail .world-card h3 {
        padding-left: 42px;
        font-size: 17px;
    }

    #colmn_detail .course-guide {
        padding: 24px 18px;
    }

}


/* COMMON-COLUMN-RESPONSIVE-SEO-START */
#colmn_detail img {
  display: block;
  max-width: 100%;
  height: auto;
}

#colmn_detail figure,
#colmn_detail picture {
  max-width: 100%;
}

#colmn_detail figure > img,
#colmn_detail article img {
  width: 100%;
  object-fit: cover;
}

#colmn_detail .seo-column-action {
  position: relative;
  overflow: hidden;
  margin-top: 50px;
  padding: 38px;
  border: 1px solid #d9d1c1;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(248,244,235,.96));
  box-shadow: 0 16px 40px rgba(37,31,22,.10);
}

#colmn_detail .seo-column-action::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #9a742e, #d7bd78 52%, #8a6728);
  content: "";
}

#colmn_detail .seo-column-action__heading { margin-bottom: 20px; }
#colmn_detail .seo-column-action__eyebrow {
  margin: 0 0 8px;
  color: #9a742e;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
}
#colmn_detail .seo-column-action h2 {
  margin: 0;
  padding: 0 0 14px;
  border-bottom: 1px solid #d9d1c1;
  color: #262219;
  font-size: 24px;
  line-height: 1.5;
}
#colmn_detail .seo-column-action__lead {
  margin: 0;
  color: #4b463d;
  font-size: 15px;
  line-height: 2;
}
#colmn_detail .seo-column-action__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
}
#colmn_detail .seo-column-action__links li { margin: 0; list-style: none; }
#colmn_detail .seo-column-action__links a {
  position: relative;
  display: flex;
  min-height: 92px;
  flex-direction: column;
  justify-content: center;
  padding: 18px 52px 18px 20px;
  border: 1px solid #ded7ca;
  border-radius: 8px;
  background: rgba(255,255,255,.86);
  color: #2d2922;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(37,31,22,.06);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
#colmn_detail .seo-column-action__links a::after {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 9px;
  height: 9px;
  margin-top: -5px;
  border-top: 1px solid #9a742e;
  border-right: 1px solid #9a742e;
  content: "";
  transform: rotate(45deg);
}
#colmn_detail .seo-column-action__links a:hover {
  border-color: #b99a55;
  box-shadow: 0 12px 24px rgba(37,31,22,.11);
  transform: translateY(-2px);
}
#colmn_detail .seo-column-action__link-label,
#colmn_detail .seo-column-action__link-title { display: block; }
#colmn_detail .seo-column-action__link-label {
  margin-bottom: 5px;
  color: #8a6728;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}
#colmn_detail .seo-column-action__link-title { font-size: 15px; font-weight: 700; line-height: 1.55; }
#colmn_detail .seo-column-action__links-contact { grid-column: 1 / -1; }
#colmn_detail .seo-column-action__links-contact a {
  min-height: 78px;
  border-color: #2e3c53;
  background: linear-gradient(135deg, #253247, #3c4d67);
  color: #fff;
}
#colmn_detail .seo-column-action__links-contact a::after { border-color: #e6d199; }
#colmn_detail .seo-column-action__links-contact .seo-column-action__link-label { color: #e6d199; }

@media screen and (max-width: 1024px) {
  #colmn_detail .seo-column-action { padding: 32px; }
}

@media screen and (max-width: 767px) {
  #colmn_detail figure { margin-right: 0; margin-left: 0; }
  #colmn_detail .seo-column-action { margin-top: 40px; padding: 28px 20px 22px; border-radius: 9px; }
  #colmn_detail .seo-column-action h2 { font-size: 20px; }
  #colmn_detail .seo-column-action__lead { font-size: 14px; line-height: 1.9; }
  #colmn_detail .seo-column-action__links { grid-template-columns: 1fr; gap: 10px; margin-top: 22px; }
  #colmn_detail .seo-column-action__links-contact { grid-column: auto; }
  #colmn_detail .seo-column-action__links a,
  #colmn_detail .seo-column-action__links-contact a { min-height: 0; padding: 16px 44px 16px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  #colmn_detail .seo-column-action__links a { transition: none; }
}
/* COMMON-COLUMN-RESPONSIVE-SEO-END */

/* COMMON-SEO-HUB-START: 全コラム共通・関連記事回遊ブロック */
#colmn_detail .column-seo-hub {
  position: relative;
  overflow: hidden;
  margin: 64px 0 8px;
  padding: 42px;
  border: 1px solid #ded7c9;
  border-radius: 16px;
  background:
    radial-gradient(circle at 100% 0, rgba(185,147,79,.13), transparent 34%),
    linear-gradient(145deg, #fff 0%, #fbf8f1 100%);
  box-shadow: 0 18px 44px rgba(19,35,61,.10);
  color: #292929;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.8;
}
#colmn_detail .column-seo-hub::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #142e59, #b9934f, #142e59);
  content: "";
}
#colmn_detail .column-seo-hub__intro { max-width: 820px; }
#colmn_detail .column-seo-hub__eyebrow,
#colmn_detail .column-seo-hub__trust-label {
  margin: 0 0 8px;
  color: #9a742f;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}
#colmn_detail .column-seo-hub__intro h2 {
  margin: 0 0 14px;
  padding: 0;
  border: 0;
  color: #142e59;
  font-size: 25px;
  line-height: 1.55;
  letter-spacing: .03em;
}
#colmn_detail .column-seo-hub__intro > p:last-child { margin: 0; }
#colmn_detail .column-seo-hub__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 30px;
  padding: 0;
}
#colmn_detail .column-seo-hub__item {
  margin: 0;
  padding: 0;
  list-style: none;
}
#colmn_detail .column-seo-hub__item a {
  position: relative;
  display: flex;
  min-height: 118px;
  height: 100%;
  flex-direction: column;
  justify-content: center;
  padding: 20px 50px 20px 22px;
  border: 1px solid #ddd7cc;
  border-radius: 10px;
  background: rgba(255,255,255,.88);
  color: #32363d;
  text-decoration: none;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
#colmn_detail .column-seo-hub__item a::after {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 10px;
  height: 10px;
  border-top: 2px solid #b18a42;
  border-right: 2px solid #b18a42;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}
#colmn_detail .column-seo-hub__item a:hover {
  transform: translateY(-3px);
  border-color: #b9934f;
  box-shadow: 0 12px 24px rgba(20,46,89,.10);
}
#colmn_detail .column-seo-hub__category {
  margin-bottom: 5px;
  color: #98742f;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
}
#colmn_detail .column-seo-hub__item strong {
  display: block;
  margin-bottom: 5px;
  color: #142e59;
  font-size: 16px;
  line-height: 1.5;
}
#colmn_detail .column-seo-hub__item span:last-child {
  color: #626870;
  font-size: 12px;
  line-height: 1.7;
}
#colmn_detail .column-seo-hub__trust {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 24px;
  align-items: center;
  padding-top: 26px;
  border-top: 1px solid #ddd4c4;
}
#colmn_detail .column-seo-hub__trust h3 {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  color: #142e59;
  font-size: 18px;
  line-height: 1.55;
}
#colmn_detail .column-seo-hub__trust-main p:last-child {
  margin: 0;
  color: #555d66;
  font-size: 13px;
}
#colmn_detail .column-seo-hub__all {
  display: flex;
  min-height: 82px;
  flex-direction: column;
  justify-content: center;
  padding: 16px 42px 16px 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, #142e59, #203f70);
  color: #fff;
  text-decoration: none;
  position: relative;
}
#colmn_detail .column-seo-hub__all::after {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 9px;
  height: 9px;
  border-top: 2px solid #dfc98e;
  border-right: 2px solid #dfc98e;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}
#colmn_detail .column-seo-hub__all span { color: #dfc98e; font-size: 11px; }
#colmn_detail .column-seo-hub__all strong { margin-top: 3px; font-size: 15px; }
@media screen and (max-width: 767px) {
  #colmn_detail .column-seo-hub { margin-top: 44px; padding: 30px 18px 22px; border-radius: 11px; }
  #colmn_detail .column-seo-hub__intro h2 { font-size: 21px; }
  #colmn_detail .column-seo-hub__grid { grid-template-columns: 1fr; gap: 10px; margin-top: 22px; }
  #colmn_detail .column-seo-hub__item a { min-height: 0; padding: 17px 42px 17px 16px; }
  #colmn_detail .column-seo-hub__trust { grid-template-columns: 1fr; gap: 18px; }
  #colmn_detail .column-seo-hub__all { min-height: 70px; }
}
@media (prefers-reduced-motion: reduce) {
  #colmn_detail .column-seo-hub__item a { transition: none; }
}
/* COMMON-SEO-HUB-END */